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  • Appropriate for close centerline-to-edge applications.
  • Doesn’t require high installation force.
  • Installs into any panel hardness.
  • Installs flush on back side of panel.
Unit of Measure

Thread Size

 N/A .250-20 (1/4-20)

Type

 N/A Knurled Cap - PF11MF

Thread Code

 N/A 0420

Screw Length Code

 N/A 0

A Max.

 N/A .072 in a1101.jpg

Min. Sheet Thickness

 N/A .060 in

Hole Size in Sheet + 0.005 - 0.000

 N/A .323 in

C Max.

 N/A .322 in

E ± .010

 N/A .575 in

G ± .025

 N/A .290 in

P ± .025

 N/A .000 in

T1 Nom.

 N/A .530 in

T2 Nom.

 N/A .790 in

Driver Size

 N/A Slotted/#3 Phillips a1102.jpg
Thread Specification1 N/A ANSI B1.1, 2A

Material Knob

 N/A Aluminum

Material Retainer

 N/A Aluminum

Material Screw

 N/A Heat-Treated Carbon Steel

Material Spring

 N/A 300 Series Stainless Steel

Finish Knob

 N/A Natural Finish

Finish Retainer

 N/A Natural finish

Finish Screw

 N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

Finish Spring

 N/A Natural Finish

CAD View

 N/A Unfastened

CAD Supplier

 N/A PennEngineering® (PEM®)
  • 1 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2